/*
* Copyright 2010 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.stream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.MalformedURLException;
import android.util.Log;
import com.facebook.android.AsyncFacebookRunner;
import com.facebook.android.Facebook;
import com.facebook.android.FacebookError;
import com.facebook.android.AsyncFacebookRunner.RequestListener;
/**
* A handler for the logout link. This handler doesn't render
* its own page. After logging out it redirects the user
* to the login handler.
*
* @author yariv
*/
public class LogoutHandler extends Handler {
/**
* Called by the dispatcher when the user clicks 'logout'.
*/
public void go() {
Facebook fb = Session.restore(getActivity()).getFb();
// clear the local session data
Session.clearSavedSession(getActivity());
new AsyncFacebookRunner(fb).logout(getActivity(),
new RequestListener() {
public void onComplete(String response, final Object state) {
dispatcher.runHandler("login");
}
public void onFileNotFoundException(FileNotFoundException error,
final Object state) {
Log.e("app", error.toString());
dispatcher.runHandler("login");
}
public void onIOException(IOException error, final Object state) {
Log.e("app", error.toString());
dispatcher.runHandler("login");
}
public void onMalformedURLException(MalformedURLException error,
final Object state) {
Log.e("app", error.toString());
dispatcher.runHandler("login");
}
public void onFacebookError(FacebookError error,
final Object state) {
Log.e("app", error.toString());
dispatcher.runHandler("login");
}
});
}
}